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Here it is, the Evolve Automotive supercharger kit for the BMW E39 M5 S62 V8. The kit has been under development for some time now getting tested and perfected. They use a Rotrex C38-91 blower which is capable of 1100 CFM and tends to offer excellent mid-range power and throttle response preserving important naturally aspirated M motor characteristics. They include a blow off valve, air to air intercooler, and Evolve Alpha-N ECU tuning. Stage I and Stage II are available.

The Stage I kit is priced at £5400 or $8640. It offers 5 PSI of boost and 520-550 horsepower. Stage II is priced at £7500 or $12000 and offers 6-7 psi of boost and 575-610 horsepower at the crank.

A high quality kit with high quality parts with an emphasis on a solid power curve that maintains excellent throttle response. Well done Evolve. Further details below in Evolve's own words.